ArticleEuropean journal of neurology2025
BRAF V600E Mutation in Ganglioglioma: Impact on Epileptogenicity and Implications for Surgical Strategy.
Article in European journal of neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Surgical outcomes and prognostic factors in epilepsy associated with low-grade brain tumors: a systematic review.Neurosurgical review · 2026Pooled it
- Management Guidelines for the Treatment of Pediatric Brain Tumor-Associated Seizure: A Modified Delphi Consensus Report.Annals of the Child Neurology Society · 2026Article
- Integrating multisequence radiomics and clinical features to predict seizure recurrence after gross total resection of pediatric low-grade epilepsy-associated brain tumors.Neuroradiology · 2026Article
- Review
- Candidate gene mutations of patients with astrocytoma who present with seizures: evidence from whole exome sequencing.Frontiers in oncology · 2025Article
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Authors and funding
12 authors.
Funding
Abstract
objectiveGangliogliomas are commonly found pathologies in patients undergoing epilepsy surgery. While resections can be curative, seizure relapses occur. Expression of CD34 and the BRAF V600E mutation are the most common molecular biomarkers found in gangliogliomas, but their influence on seizure outcomes is unclear. We therefore reviewed our experience over two decades to better describe prognostic factors.
methodsWe performed a retrospective chart review of all patients operated on for ganglioglioma at our institution since the year 2000. We included patients with preoperative epilepsy and a minimum follow-up of 1 year. Available tumor specimens were immunohistochemically stained for CD34 and BRAF V600E.
resultsWe included 62 patients with epilepsy operated for ganglioglioma. Lesionectomies were performed in 32 (51.6%), extended resections in 21 (33.9%), and partial resections in 9 cases (14.5%). Residual tumor mass on postoperative MRI was diagnosed in 21 patients (33.9%). CD34 reactivity was found in 57 patients (91.9%) and the BRAF V600E mutation was detected in 30 patients (48.4%). Patients with a BRAF V600E mutation were younger at the time of epilepsy onset (9.1 years vs. 15.2 years) and surgery (14.5 years vs. 23.7 years). Residual tumor was the largest risk factor for seizure relapses (hazard ratio 8.45) and the BRAF V600E mutation also increased this risk (hazard ratio 3.94).
conclusionsBRAF V600E status in patients with ganglioglioma-associated epilepsy is a potential biomarker to stratify the risk for seizure relapse after surgery. BRAF V600E-positive patients might benefit from a more aggressive surgical strategy.
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